package com.example.rabbitmq.config;

import org.springframework.amqp.core.*;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * @Author: 以默
 * @Date: 2024/7/19 10:30
 * TTL队列 配置文件类代码
 */
@Configuration
public class TtlQueueConfig {
    // 普通交换机的名称
    public static final String X_EXCHANGE = "X";
    // 死信交换机的名称
    public static final String Y_dead_LETTER_EXCHANGE = "Y";
    // 普通队列的名称
    public static final String QUEUE_A = "QA";
    public static final String QUEUE_B = "QB";
    // 死信队列的名称
    public static final String DEAD_LETTER_QUEUE = "QD";

    public static final String QUEUE_C = "QC";

    // 声明X交换机
    @Bean("xExchange")
    public DirectExchange xExchange() {
        return new DirectExchange(X_EXCHANGE);
    }
    // 声明Y交换机
    @Bean("yExchange")
    public DirectExchange yExchange() {
        return new DirectExchange(Y_dead_LETTER_EXCHANGE);
    }
    // 声明普通队列 TTL为10秒
    @Bean("queueA")
    public Queue queueA() {
        Map<String, Object> arguments = new HashMap<>(3);
        // 设置死信的交换机
        arguments.put("x-dead-letter-exchange", Y_dead_LETTER_EXCHANGE);
        // 设置死信的RoutingKey
        arguments.put("x-dead-letter-routing-key", "YD");
        // 设置队列的TTL为10秒
        arguments.put("x-message-ttl", 10000L);

        return QueueBuilder.durable(QUEUE_A).withArguments(arguments).build();
    }
    // 声明普通队列 TTL为40秒
    @Bean("queueB")
    public Queue queueB() {
        Map<String, Object> arguments = new HashMap<>(3 );
        // 设置死信的交换机
        arguments.put("x-dead-letter-exchange", Y_dead_LETTER_EXCHANGE);
        // 设置死信的RoutingKey
        arguments.put("x-dead-letter-routing-key", "YD");
        // 设置队列的TTL为10秒
        arguments.put("x-message-ttl", 40000L);

        return QueueBuilder.durable(QUEUE_B).withArguments(arguments).build();
    }
    @Bean("queueC")
    public Queue queueC(){
        Map<String,Object> arguments = new HashMap<>(3);
        // 设置死信的交换机
        arguments.put("x-dead-letter-exchange", Y_dead_LETTER_EXCHANGE);
        arguments.put("x-dead-letter-routing-key", "YD");
        return QueueBuilder.durable(QUEUE_C).withArguments(arguments).build();
    }


    // 声明死信队列
    @Bean("queueD")
    public Queue queueD() {
        return QueueBuilder.durable(DEAD_LETTER_QUEUE).build();
    }

    // 声明普通队列A的绑定关系
    @Bean
    public Binding queueABindingX(@Qualifier("queueA") Queue queueA,
                                  @Qualifier("xExchange") DirectExchange xExchange){
        return BindingBuilder.bind(queueA).to(xExchange).with("XA");
    }
    // 声明普通队列B的绑定关系
    @Bean
    public Binding queueBBindingX(@Qualifier("queueB") Queue queueB,
                                  @Qualifier("xExchange") DirectExchange xExchange){
        return BindingBuilder.bind(queueB).to(xExchange).with("XB");
    }
    // 声明死信队列的绑定关系
    @Bean
    public Binding queueDBindingY(@Qualifier("queueD") Queue queueD,
                                  @Qualifier("yExchange") DirectExchange yExchange){
        return BindingBuilder.bind(queueD).to(yExchange).with("YD");
    }

    @Bean
    public Binding queueCBindingX(@Qualifier("queueC") Queue queueC,
                                  @Qualifier("xExchange") DirectExchange xExchange){
        return BindingBuilder.bind(queueC).to(xExchange).with("XC");
    }
}
